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Patek Philippe - Patek Philippe Steel Monopusher Salmon Dial Chronograph Watch Ref. 5950 - The Keystone Watches

Patek Philippe Steel Monopusher Salmon Dial Chronograph Watch Ref. 5950

Patek Philippe Steel Monopusher Salmon Dial Chronograph Watch Ref. 5950

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

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Patek Philippe - Patek Philippe White Gold Chronograph Watch Ref. 5170 - The Keystone Watches

Patek Philippe White Gold Chronograph Watch Ref. 5170

Patek Philippe White Gold Chronograph Watch Ref. 5170

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Patek Philippe - Patek Philippe Platinum Minute Repeater Watch Ref. 5078 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

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Patek Philippe - Patek Philippe White Gold Minute Repeating Perpetual Ref. 5213, Retailed  by Tiffany & Co. - The Keystone Watches

Patek Philippe White Gold Minute Repeating Perpetual Ref. 5213, Retailed by Tiffany & Co.

Patek Philippe White Gold Minute Repeating Perpetual Ref. 5213, Retailed by Tiffany & Co.

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Watch, Ref. 26320ST - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Watch, Ref. 26320ST

Audemars Piguet Royal Oak Chronograph Watch, Ref. 26320ST

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Audemars Piguet - Audemars Piguet Steel Royal Oak, Ref. 15400 - The Keystone Watches

Audemars Piguet Steel Royal Oak, Ref. 15400

Audemars Piguet Steel Royal Oak, Ref. 15400

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Patek Philippe - Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

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Rolex - Rolex Submariner Watch Ref. 14060 with Original Warranty Paper - The Keystone Watches

Rolex Submariner Watch Ref. 14060 with Original Warranty Paper

Rolex Submariner Watch Ref. 14060 with Original Warranty Paper

Sold Out

 
Vacheron Constantin - Vacheron Constantin Platinum Skeletonized Tourbillon Watch - The Keystone Watches

Vacheron Constantin Platinum Skeletonized Tourbillon Watch

Vacheron Constantin Platinum Skeletonized Tourbillon Watch

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Richard Mille - Richard Mille Skeletonized Paris Boutique RM10 Watch, Limited to 10 Pieces - The Keystone Watches

Richard Mille Skeletonized Paris Boutique RM10 Watch, Limited to 10 Pieces

Richard Mille Skeletonized Paris Boutique RM10 Watch, Limited to 10 Pieces

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Rolex - Rolex Milgauss Blue Dial Green Crystal Watch Ref. 116400GV - The Keystone Watches

Rolex Milgauss Blue Dial Green Crystal Watch Ref. 116400GV

Rolex Milgauss Blue Dial Green Crystal Watch Ref. 116400GV

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Audemars Piguet - Audemars Piguet White Gold Frosted Royal Oak Watch - The Keystone Watches

Audemars Piguet White Gold Frosted Royal Oak Watch

Audemars Piguet White Gold Frosted Royal Oak Watch

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Rolex - Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576 - The Keystone Watches

Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576

Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576

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Audemars Piguet - Audemars Piguet Tantalum Royal Oak Watch Ref. 56175 - The Keystone Watches

Audemars Piguet Tantalum Royal Oak Watch Ref. 56175

Audemars Piguet Tantalum Royal Oak Watch Ref. 56175

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Patek Philippe - Patek Philippe White Gold Nautilus Diamond Watch Ref. 3800 - The Keystone Watches

Patek Philippe White Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe White Gold Nautilus Diamond Watch Ref. 3800

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A. Lange & Sohne - A. Lange & Sohne White Gold Cabaret Soiree Diamond Watch, Ref. 868.032 - The Keystone Watches

A. Lange & Sohne White Gold Cabaret Soiree Diamond Watch, Ref. 868.032

A. Lange & Sohne White Gold Cabaret Soiree Diamond Watch, Ref. 868.032

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Audemars Piguet - Audemars Piguet Ultra-Thin Royal Oak Jumbo Automatic Watch, Ref. 15202 - The Keystone Watches

Audemars Piguet Ultra-Thin Royal Oak Jumbo Automatic Watch, Ref. 15202

Audemars Piguet Ultra-Thin Royal Oak Jumbo Automatic Watch, Ref. 15202

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Patek Philippe - Patek Philippe Rose Gold Chronograph Watch Ref. 5070 - The Keystone Watches

Patek Philippe Rose Gold Chronograph Watch Ref. 5070

Patek Philippe Rose Gold Chronograph Watch Ref. 5070

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Patek Philippe - Patek Philippe Platinum Minute Repeating Tourbillon Watch Ref. 5016 - The Keystone Watches

Patek Philippe Platinum Minute Repeating Tourbillon Watch Ref. 5016

Patek Philippe Platinum Minute Repeating Tourbillon Watch Ref. 5016

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FP Journe - F.P. Journe Platinum Octa Reserve de Marche Early Production with Original Box and Papers - The Keystone Watches

F.P. Journe Platinum Octa Reserve de Marche Early Production with Original Box and Papers

F.P. Journe Platinum Octa Reserve de Marche Early Production with Original Box and Papers

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Audemars Piguet - Audemars Piguet Royal Oak Automatic Watch, Ref. 15500 - The Keystone Watches

Audemars Piguet Royal Oak Automatic Watch, Ref. 15500

Audemars Piguet Royal Oak Automatic Watch, Ref. 15500

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New Arrivals Preview
 
Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

$125,000 USD
 
Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

$62,000 USD
 
Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

$55,000 USD
 
Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

$21,000 USD
 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

$175,000 USD
 
Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

$70,000 USD
 
Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

$48,000 USD
Shop all New Arrivals Preview

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Guarantee

Our watches go through a rigorous authentication process in which seasoned experts examine and evaluate the watches. These experts have decades of experience and have authenticated thousands of watches in their lifetime. We guarantee every piece of the watches we offer are 100% authentic. 

CONTACT US

You can reach us by emailing hello@thekeystone.com or call 213-632-9061

We are based in West Hollywood, CA. Please contact us for appointments to view a watch in person. 

We are not authorized sellers of the brands listed on our site. We sell vintage and pre-owned product.

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